Name: Cerox Championships - Iron + Iron X
Start: 2026-10-11
End: 2026-10-11
Location: Frederick

About the Event

The season comes down to this. The Cerox Championships bring together the top qualifying athletes and teams for this functional fitness competition.

Throughout the Cerox Series, competitors have earned points by finishing events and placing in their respective categories, formats, and divisions. The top 8 overall point earners in each category, format, and division earn a spot at the Championships.

Championship registration is reserved for qualified athletes and teams. Additional event details and start times will be announced closer to the event.

Cerox Iron: The same zones as the classic Cerox event, but without the running.

Cerox Iron X: Twice the grind, none of the miles. Double the reps, double the work.

You can sign up as an individual or with a partner team. Teams can divide the zone work however they choose.

Cerox Iron Workout:

Zone 1: 400M Row Erg

Zone 2: 30 Deadlifts - 155/105

Zone 3: 400M Ski Erg

Zone 4: 20 Sandbag Over 4' Bar - 100/70

Zone 5: 75M Walking Lunges - RAM 55/33

Zone 6: 200M Farmers Carry - 2x 60's/ 40's

Zone 7: 30 Cal. Echo Bike

Zone 8: 30 Burpees to Plate

Cerox Iron X Workout:

These values represent the 3-year monthly averages for October in Frederick.

thermostat Temperature

4.8° / 20.3°

wb_sunny Feels like

1.5° / 16.6°

light_mode Avg sunshine hours

9h 33m

water_drop Avg rainfall

0.6 mm

ac_unit Avg snowfall

0.1 cm

air Avg wind speed

7.3 km/h (Light breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (4.0)

humidity_mid Humidity

52.2%

wb_twilight Sunrise

07:11

nightlight Sunset

18:18

About Frederick

Learn more about the host city, Frederick.

The Town of Frederick is a Statutory Town located in Weld County, Colorado, United States. The town population was 14,513 at the 2020 United States census, a +67.22% increase since the 2010 United States census. Frederick is a part of the Greeley, CO Metropolitan Statistical Area and the Front Range Urban Corridor.